Leviton Rubber Weatherproof Outdoor Light Socket for Medium Base Incandescent Bulbs 124-D - The Home Depot
Lamp Holder, White color (Miniature Base, Bulb Socket), Pack of 10 - ScienceKitStore.com
Leviton 600-Watt 250-Volt White Outlet Box Lampholder R50-49875-000 - The Home Depot
EMART Light Bulb Stand, E26 / E27 AC Socket Lamp Holder with Umbrella – EMART | Photography Equipment | Studio Setup
5x E10 Miniature Light Bulbs Holders with Jumper Wires and Dupont Pin Connectors – 5E Board provides the best circuit breadboards and STEM study materials for all levels
Dual Twin Light Bulb Socket Adaptor Splitter Double Y Type Converter Lamp Base ! - Walmart.com
Porcelain E27 lamp holder kit
Hanpearl Round E27 White LED Lamp Screw Base Halogen Bulb Holder Converter Light Bulb Base Lamp Socket Adapter (10 pcs) - - Amazon.com
Miniature Light Bulbs & Bulb Holders
360 Degrees Flexible Desk Lamp Holder E27 Base Light Socket Gooseneck Clip-On Cable with On Off Switch Plugs for Night Light Bulb Grow Lights - - Amazon.com
Power A Edison E26 Base 5V 6V Light Bulb Directly From Any USB Port - 12VMonster Lighting